Clean Water Act discharge permit · NPDES TX0031232
CANYON LAKE WWTP, Canyon Lake, TX: NPDES TX0031232 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CANYON LAKE WWTP, held by US DEPT OF THE AIR FORCE, holds NPDES permit TX0031232, which discharges to Directly To Canyon Lake. EPA’s file records it issued October 15, 2020 and expiring October 15, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CANYON LAKE WWTP |
|---|---|
| Permittee as filed | US DEPT OF THE AIR FORCE |
| NPDES ID | TX0031232 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | October 15, 2020 |
| Expiration date | October 15, 2025 |
| Address | Canyon Lake, TX 78133 |
| Receiving water | directly to Canyon Lake |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tom Creek-Canyon Lake (HUC 121002010407) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 36Pollutants on file
- 7Under a numeric limit
- 36With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 114 | 15 | September 30, 2017 | 18,588% over the limit |
| Chlorine, total residual | 2 | 61 | 13 | January 31, 2016 | 403% over the limit |
| Oxygen, dissolved [DO] | 1 | 34 | 10 | October 31, 2019 | 33% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 72 | 6 | September 30, 2017 | 3,002% over the limit |
| pH | 2 | 51 | 5 | July 31, 2020 | |
| BOD, 5-day, 20 deg. C | 3 | 103 | 4 | July 31, 2015 | 12,000% over the limit |
| E. coli | 2 | 7 | 1 | August 31, 2012 | 149% over the limit |
| Arsenic, dry weight | 0 | 20 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 20 | 0 | ||
| Selenium, dry weight | 0 | 12 | 0 | ||
| Copper, dry weight | 0 | 12 | 0 | ||
| Cadmium, dry weight | 0 | 12 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 12 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 12 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 12 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 12 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 12 | 0 | ||
| Nickel, total [as Ni] | 0 | 8 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 8 | 0 | ||
| Level of pathogen requirements achieved | 0 | 8 | 0 | ||
| Description of pathogen option used | 0 | 8 | 0 | ||
| Vector attraction reduction alternative used | 0 | 8 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 7 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 7 | 0 | ||
| Annual amt of sludge incinerated | 0 | 7 | 0 | ||
| Annual sludge production, total | 0 | 7 | 0 | ||
| Annual amount of sludge land applied | 0 | 7 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 7 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 7 | 0 | ||
| Annual amt sludge transported interstate | 0 | 7 | 0 | ||
| Fecal coliform | 0 | 4 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 4 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 4 | 0 | ||
| Boundary areas | 0 | 4 | 0 | ||
| Salmonella | 0 | 4 | 0 | ||
| Pollutant table from 503.13 | 0 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 28, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0031232.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0031232 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.